APNIC finding IP ranges for an ISP

APNIC finding IP ranges for an ISP

Heres a quick and dirty solution;

Go here http://wq.apnic.net/apnic-bin/whois.pl

Look up one of the IPs you know of in the range

Look for: mnt-lower

Change the Inverse attributes to mnt-lower

Then do a look up for: MAINT-AU-TIAR-AP (example)

Now click search and all the ranges will come up.

One thought on “APNIC finding IP ranges for an ISP

  1. I don’t understand! If I have an IP from an ISP how I can find all the IP’s related to that ISP?
    Thank you so much in advance

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